Daily Practice

Higher

10th October 1970

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
2 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has minimum 4, lower quartile 14, median 21, upper quartile 31 and maximum 36. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7474... as a fraction in its simplest form.
4
Simultaneous Equations3 marks
2 teas and 2 cakes cost £8.40. 3 teas and 4 cakes cost £15.30. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 45. Work out y when x = 2.

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